U.S. soldiers of 1st Infantry Division and U.S. 5th Engineers Specialist Brigade prepare in England for the D-Day invasion of Normandy, France during World War II. Soldiers load demolition charges into an LCVP (Landing Craft, Vehicle, Personnel). They perform calisthenics aboard a ship. A soldier loads rockets into a multiple rocket launcher. The soldiers arrange an ammunition belt in a multiple barrel air-cooled machine gun.